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<a href="/posts/2021/11/21/cb397782.html" class="post-title-link" itemprop="url">前端埋点SDK数据收集方案</a>
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<time title="创建时间：2021-11-21 21:34:22" itemprop="dateCreated datePublished" datetime="2021-11-21T21:34:22+08:00">2021-11-21</time>
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<span class="post-meta-item-text">更新于</span>
<time title="修改时间：2022-07-19 14:22:15" itemprop="dateModified" datetime="2022-07-19T14:22:15+08:00">2022-07-19</time>
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<p><strong>注：本文为博主在公司做SDK时整理的一些数据收集方案，较为简单，适合参考。</strong></p>
<p>我认为一套埋点系统应能收集数据<br><img src="https://files.catbox.moe/4bkepp.png" alt="埋点系统应能收集数据.png"></p>
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<a href="/posts/2021/11/15/4105fcb5.html" class="post-title-link" itemprop="url">RabbitMQ入门学习</a>
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<time title="创建时间：2021-11-15 12:43:02" itemprop="dateCreated datePublished" datetime="2021-11-15T12:43:02+08:00">2021-11-15</time>
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<time title="修改时间：2022-07-19 14:22:29" itemprop="dateModified" datetime="2022-07-19T14:22:29+08:00">2022-07-19</time>
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<blockquote>
<p>本文是博主在公司做的学习分享，内容也比较浅适合入门</p>
</blockquote>
<h4 id="什么是消息队列"><a href="#什么是消息队列" class="headerlink" title="什么是消息队列"></a>什么是消息队列</h4><ul>
<li>消息 是两个应用间传递的数据</li>
<li>消息队列是在消息传输过程中保存消息的容器<br><img src="https://ftp.bmp.ovh/imgs/2021/11/2212a2a217ac89ff.png" alt="什么是消息队列">
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<h4 id="装饰器"><a href="#装饰器" class="headerlink" title="装饰器"></a>装饰器</h4><blockquote>
<p>装饰器（也叫注解）对一个类/方法/属性/参数的装饰。它是对这一系列代码的增强，并且通过自身描述了被装饰的代码可能存在行为改变。</p>
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<p>装饰器是一种特殊类型的声明，它能够被附加到类声明，方法， 访问符，属性或参数上。 装饰器使用 <code>@expression</code>这种形式，expression求值后必须为一个函数，它会在运行时被调用，被装饰的声明信息做为参数传入。</p>
<p>装饰器分为：</p>
<p><strong>类装饰器</strong></p>
<p><strong>方法装饰器</strong></p>
<p><strong>属性装饰器</strong></p>
<p><strong>参数装饰器</strong></p>
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<h3 id="生成Dom树"><a href="#生成Dom树" class="headerlink" title="生成Dom树"></a>生成Dom树</h3><p>假设有以下Dom结构</p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">ul</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">li</span>></span>item 1<span class="tag"></<span class="name">li</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">li</span>></span>item 2<span class="tag"></<span class="name">li</span>></span></span><br><span class="line"><span class="tag"></<span class="name">ul</span>></span></span><br></pre></td></tr></table></figure>
<p>则对应的JS对象应该为</p>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> type: <span class="string">'ul'</span>,</span><br><span class="line"> props: {</span><br><span class="line"> class: 'list',</span><br><span class="line"> children: [</span><br><span class="line"> { <span class="attr">type</span>: <span class="string">'li'</span>, <span class="attr">props</span>: {}, <span class="attr">children</span>: [<span class="string">'item 1'</span>]},</span><br><span class="line"> { <span class="attr">type</span>: <span class="string">'li'</span>, <span class="attr">props</span>: {}, <span class="attr">children</span>: [<span class="string">'item 2'</span>]}</span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
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<blockquote>
<p>div垂直水平居中基本都是前中级前端面试必问了，特此整理了集中方法记录下来<br>以下代码使用的<code> html </code>代码都为</p>
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<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"parent"</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"child"</span>></span><span class="tag"></<span class="name">div</span>></span></span><br><span class="line"><span class="tag"></<span class="name">div</span>></span></span><br></pre></td></tr></table></figure>
<h2 id="1-绝对定位"><a href="#1-绝对定位" class="headerlink" title="1. 绝对定位"></a>1. 绝对定位</h2><p>这个方式属于比较麻烦的一种方法，分为定宽定高，不定宽高两种。</p>
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<h2 id="一、分析掘金网页"><a href="#一、分析掘金网页" class="headerlink" title="一、分析掘金网页"></a>一、分析掘金网页</h2><h3 id="1-获取浏览器URL"><a href="#1-获取浏览器URL" class="headerlink" title="1. 获取浏览器URL"></a>1. 获取浏览器URL</h3><p>直接页面选择30内最热门的文章可得到URL地址为 <a href="https://juejin.im/timeline?sort=monthly_hottest" target="_blank" rel="noopener">https://juejin.im/timeline?sort=monthly_hottest</a> 查看该网页Dom元素发现并没有文章的数据，可得知此为动态网页。</p>
<h3 id="2-获得数据API"><a href="#2-获得数据API" class="headerlink" title="2. 获得数据API"></a>2. 获得数据API</h3><p><img src="https://i.loli.net/2019/12/19/RJpczqKBEOSXo9I.png" alt="请求"><br><img src="https://i.loli.net/2019/12/19/pTPbAdeSyiglUrc.png" alt="响应"><br>由此得到获取文章的API为 <a href="https://web-api.juejin.im/query" target="_blank" rel="noopener">https://web-api.juejin.im/query</a> </p>
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<p>一个<code> Tabs </code>的组成 </p>
<p>Tabs</p>
<pre><code>-Tab Header
-Tab Panel</code></pre><h2 id="一、TabPanel-组件开发"><a href="#一、TabPanel-组件开发" class="headerlink" title="一、TabPanel 组件开发"></a>一、TabPanel 组件开发</h2><p><code> TabPanel </code>的<code> Template </code>基本结构</p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">div</span> <span class="attr">:class</span>=<span class="string">"panelCls()"</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">slot</span>></span><span class="tag"></<span class="name">slot</span>></span></span><br><span class="line"><span class="tag"></<span class="name">div</span>></span></span><br></pre></td></tr></table></figure>
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<h2 id="前言"><a href="#前言" class="headerlink" title="前言"></a>前言</h2><p>组件毫无疑问在Vue中是无比重要的，一个页面就是由各个组件组成，可以说是面向组件开发了。博主使用Vue也将近一年了，工作中也封装过一些简单组件，但从未有一篇详细的文章记录下整个思想过程。于是就想写下该文章记录一个Tabs组件的封装。</p>
<h2 id="准备工作"><a href="#准备工作" class="headerlink" title="准备工作"></a>准备工作</h2><p>封装Tabs组件我这里先从最底层做起，先用<code> Html + JQuery </code>实现了一遍，然后根据已经实现的去进行拆分。</p>
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